@article{DCG_1990__5_2_131119,
     author = {P. Filliman},
     title = {Exterior {Algebra} and {Projections} of {Polytopes.}},
     journal = {Discrete & computational geometry},
     pages = {305--322},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1990},
     zbl = {0698.15012},
     url = {http://geodesic.mathdoc.fr/item/DCG_1990__5_2_131119/}
}